﻿/*
 * This file is part of MonoSettlers.
 *
 * Copyright (C) 2010-2011 Christoph Husse
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors: 
 *      # Christoph Husse
 * 
 * Also checkout our homepage: http://opensettlers.codeplex.com/
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MonoSettlers
{
    internal interface IAStarNode : IQueueItem
    {
        int WallValue { get; }
        int X { get; }
        int Y { get; }
    }

    internal interface IIndexedObject
    {
        int Index { get; set; }
    }

    internal interface IAStarSolver<TPathNode> where TPathNode : IAStarNode
    {
        TPathNode[,] SearchSpace { get;}
        int Width { get;  }
        int Height { get; }

        void BeginSearch(Point inStartNode, Point inEndNode, int inUserContext);

        Double GetClosedGValue(Point inClosedNode);

        bool IsWalkable(int inX, int inY, int inContext);
    }
}
